18815348314 has 32 divisors (see below), whose sum is σ = 32681433600. Its totient is φ = 7957198080.

The previous prime is 18815348249. The next prime is 18815348327. The reversal of 18815348314 is 41384351881.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2638674 + ... + 2645794.

It is an arithmetic number, because the mean of its divisors is an integer number (1021294800).

Almost surely, 2^18815348314 is an apocalyptic number.

18815348314 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18815348314 is a deficient number, since it is larger than the sum of its proper divisors (13866085286).

18815348314 is a wasteful number, since it uses less digits than its factorization.

18815348314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9598.

The product of its digits is 368640, while the sum is 46.

The spelling of 18815348314 in words is "eighteen billion, eight hundred fifteen million, three hundred forty-eight thousand, three hundred fourteen".